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Last July, then 28-year-old Alexandera Houchin won the women's Tour Divide, a 2,745-mile race from Canada to Mexico over the Continental Divide. Next on her list? The new Dirty Kanza XL, a 350-mile unsupported race across Kansas.

Ötillö Swimrun is a grueling race series alternating long passages of open-water swimming with rugged runs of up to 40 miles. But unlike a triathlon, there’s no biking. That’s great news for W. Hodding Carter, a former collegiate swimmer who plans to qualify for the world championship. At age 56.

The largest promoter in road-bike racing is backing away from what may be the sport's future

Heavy has gone the way of the dinosaur

Here’s what to know when shopping for a SUP

This year’s class is changing how we see roadies

After vanquishing all his human competition, the world’s best marathoner will again take on the clock

With more participants in ultramarathons, more competitors are experiencing the joy of hallucinations and other ailments. Exile Medics steps into a newly necessary role.

Because races full of beer, cookies, and froyo are the opposite of stressful

A secretive launch signaled that the new team isn’t going to be a softer, cuddlier version of its controversial predecessor

Our top picks for all conditions, from dry or slushy roads to technical or muddy singletrack

Last year, Dykes set the marathon record for his age group—only to find that it didn't count. But he's not giving up.

Just when I thought I was out, they pull me back in

Plus, should you take someone else's spot in a race if you know you won't finish?

From innovative new gravel bikes to a 13-speed drivetrain, these are the tools and toys that caught our eye in Monterey this week

From media appearances to World Cup championships, she manages it all—with a little help from her mom

No external flourish can match the thrill of pushing your body to its limit

What kind of sadist creates the hardest race in the world? We sent our writer to find out.

Tune in to the highly anticipated race on April 15

The hype around the technology has raced ahead of the evidence. Now the evidence may be catching up.

A free weekly 5K? What’s not to love.

In an excerpted chapter from his new memoir, '26 Marathons,' the road racing legend recalls the first time he ran America’s most famous race

News that the team will keep its massive budget all but ensures its dominance at the Tour de France

Runner Dylan Bowman​​​​​​ recounts a harrowing tale in which he faced off with a yellow Lab in the midst of a 100-mile race

Indian relay racing is sometimes called America’s first extreme sport. For years, the Brew Crew—a team from the Pine Ridge Reservation in South Dakota—were a dominant force. Then tragedy struck. This is the story of the Lakota’s spiritual relationship with the horse, and a quest to regain glory on the track.

There's been a recent wave of new policies that support female athletes, with benefits like equal prize money, salary minimums, and maternity leave. Are these measures enough? 

She took home her fourth World Championships gold medal in slalom Saturday

The evidence in support of carbohydrate drinks is flimsier than you might think—which is why the results of a new study are worth paying attention to

The Spaniard posted an absurd 78,274 feet

When it comes to the effects of temperature on performance, perception is reality

The coach, NOLS employee, and professional ultrarunner attributes part of her success to her hectic schedule

The ski mountaineer takes a no-frills approach to prepare for the world’s hardest descents

I witnessed history, of a sort, from my desk, watching a free livestream of the first-ever virtual race for pro cyclists

The Western States Endurance Run is one of the most iconic ultramarathons, but it hasn’t always been that way

In the age of specialization, it’s refreshing to see a big name get outside his comfort zone

At a certain point in life, it’s not ethically possible to cheat

Probably. The good news is the culture of the sport—lauded for its grassroots, oddball vibe—will be defined by its community.

There are a lot of tough endurance races, but the hardest one of all might take place on a single block in Queens, New York

I committed to riding only one bike for all of 2018. Here’s how I did.

Here are the most jaw-dropping accomplishments of the year

Real-world data shows elite ultrarunners average 180 steps per minute—and that means nothing

Britain's wildly successful pro cycling team might be losing its namesake sponsor, but the dynasty is far from over

Setting cycling's hour record hurts so much that it's been called death without dying. So what does it take to get past the discomfort?

At the 2016 world championships in Qatar, cyclists swallowed thermometer pills before competing. Here’s what scientists learned.

Helmets have been mandatory in the pro peloton for well over a decade. Where’s the data that it’s helping?

From slick racers to gravel grinders, these are the new rides that wowed our testers

When you run a race you haven’t registered for, you’re taking the easy way out

Downhill skier Victor Muffat-Jeandet races drone pilot Jordan Temkin and his machine on the slopes of Snowbird, Utah

From shorts to shoes, nine gear recs from people who know what they're talking about

Life Time Fitness recently purchased the Dirty Kanza 200, the latest in a string of indie races to be scooped up by major corporations

Put the beers in the snowbank. Drinking while shredding—or running or biking—is for Joes, Chads, Barts, and Squis

In founding a new team, the fallen cyclist is seeking forgiveness, which many fans may not be willing to give

Your next event can tell us a lot about the warming planet

Athletes break down their nutrition rituals.

From costumed toboggan rides to an unsanctioned triathlon in the Tetons, these quirky competitions are no joke

She won Olympic gold in a sport that chose her. Can she do the same in the one she truly loves?

Eating habits of the world's best cyclocrossers

The 45-year-old reached 183.932 miles per hour in her ride around Utah’s Bonneville Salt Flats

Nearly a century ago, a small group of women pilots flew terrifying early airplanes, broke flying records, and raced—and beat—male pilots in air races

He’ll win anyway, but we should also hope that Eliud "Boss Man" Kipchoge runs a world record

Many of the people disqualified last week cut the course for the commemorative medal

The Ultra Trail du Mont Blanc, one of the biggest 100-mile races in the world, kicks off Friday at noon ET. Pro runners showed us some of the gear they’ll be using.

After becoming the first American woman to win the New York Marathon in 40 years, Flanagan is coming back to defend her title

Four years of race data from a professional cycling team unveils some differences between the sexes

You win, Strava. You win.

What did I learn after watching every stage of this year’s three-week race? The supertuck needs to go, Peter Sagan is as entertaining as ever, and Stage 17 was epic.

Cycling’s most infamous legend talks us through the twists and turns of the Tour with his daily podcast and exclusive updates on '�����ԹϺ���'

The high-tech material has been used to build frames and components for decades, but as bikes age, catastrophic failures are leading to lawsuits

The long, convoluted history of the struggle for a top-flight—and lasting—European women’s stage race

The first Golden Globe Race, a solo, nonstop, around-the-world sailing event held in 1968, was a mixture of triumph, tragedy, and madness—all chronicled in a classic bestselling book and recent BBC movie. Fifty years later, 17 sailors are once again setting out for the most ambitious—and loneliest—regatta on the planet.

With ripstop fabric, drain holes, and a water-resistant phone pouch, this endurance-racing vest is ready to get messy

Besides your hiking boots, your daypack is your most-used piece of gear. These are our favorites.

The Texan is launching an endurance sports media company

The Tour de France still has cheats, but we owe it to the clean riders to keep watching

Dauwalter just won the prestigious Western States Endurance Run in a blazing fast time. We can all learn something from her training philosophy.

We asked ex-Olympian, coach, and elite Masters runner John Henwood for his advice

We asked eight athletes what socks they'll be wearing for the Western States Endurance Run

Encouraging children to race bikes would make the country—and the world—a better place

Fast, cocky, and more than a bit reckless, the 28-year-old might be the best ultrarunner in the country. And he's finally proven himself over a full 100-mile race.